From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 787B1C636CC for ; Tue, 31 Jan 2023 12:05:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=vHdxD8NahKjAuN3mYHvU17ImUdD+20BQXybI7fVbXe4=; b=IuKiLb2e7sYKjY zYx8Rlb/hsXr3nUQww4O16QKLRrUgdTMpCDuUqXw1Kb5GekLz7YsD8YrLJVmdfuEYoqbwNrUYxvbq 55lfTIRqoCKQT9Vx7Ri6vQ46HvtzylAmJJ7iAfu+jxuVbpVN7WCb1rbXiPJc3bEAdSykd3YDvu78k BxP1uzedA1zMdk+YrTWtxhyYIedpr+rpCiIbt+Zol3GHsw6vIK5bvylQnM2qCyi5cvMTTwj3dfJ/S jwEK0KFz8Mb9WwT62/a2hVJ2IORObMVJOCbf9NSp+2XrFo3sjhTEm6FBvLMBcD6bnvUiSqsmZuw3A UUcaxJ3fcC3wzNnLpoww==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pMpMp-007olt-Jt; Tue, 31 Jan 2023 12:04:03 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pMpMl-007ol9-8z for linux-arm-kernel@lists.infradead.org; Tue, 31 Jan 2023 12:04:01 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id C04956147C; Tue, 31 Jan 2023 12:03:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8C025C433EF; Tue, 31 Jan 2023 12:03:55 +0000 (UTC) Date: Tue, 31 Jan 2023 12:03:52 +0000 From: Catalin Marinas To: Marc Zyngier Cc: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Alexandru Elisei , Andre Przywara , Chase Conklin , Christoffer Dall , Ganapatrao Kulkarni , Jintack Lim , Russell King , James Morse , Suzuki K Poulose , Oliver Upton , Zenghui Yu Subject: Re: [PATCH v8 01/69] arm64: Add ARM64_HAS_NESTED_VIRT cpufeature Message-ID: References: <20230131092504.2880505-1-maz@kernel.org> <20230131092504.2880505-2-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230131092504.2880505-2-maz@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230131_040359_374978_89404BDF X-CRM114-Status: GOOD ( 13.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Jan 31, 2023 at 09:23:56AM +0000, Marc Zyngier wrote: > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt > index 6cfa6e3996cf..b7b0704e360e 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -2553,9 +2553,14 @@ > protected: nVHE-based mode with support for guests whose > state is kept private from the host. > > + nested: VHE-based mode with support for nested > + virtualization. Requires at least ARMv8.3 > + hardware. So we can't have protected + nested at the same time? ;) (I guess once you make the protected mode use VHE, this could be revisited) In the hope that this averts another post of the series: Acked-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel